How things go wrong in an F1 windtunnel

After McLaren's poor qualifying in France last weekend, its CEO Zak Brown said the team was having trouble seeing an on-track aero problem in the windtunnel. Our technical expert explains the scenarios that could cause such an issue

McLaren's problems have showed no signs of going away, and the French Grand Prix weekend was its least competitive performance of the season so far, with both drivers eliminated in Q1.

After qualifying, it was very interesting to hear team boss Zak Brown explaining that McLaren could not identify its problem in the windtunnel even though it can see the problem on track.